Benzoyl bromide

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Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfliquid-25.65 ± 0.17kcal/molCmCarson, Pritchard, et al., 1950Reanalyzed by Cox and Pilcher, 1970, Original value = -25.50 kcal/mol; Heat of hydrolysis

Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil491.7KN/AWeast and Grasselli, 1989BS
Tboil491. to 492.KN/ABuckingham and Donaghy, 1982BS
Quantity Value Units Method Reference Comment
Tfus249.KN/ABuckingham and Donaghy, 1982BS
Quantity Value Units Method Reference Comment
Δvap14.0 ± 1.5kcal/molECarson, Pritchard, et al., 1950Heat of formation derived by Cox and Pilcher, 1970; ALS

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
321. to 323.0.00007Buckingham and Donaghy, 1982BS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
12.5335.AStephenson and Malanowski, 1987Based on data from 320. to 492. K. See also Stull, 1947.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
320. to 491.74.847462232.563-31.17Stull, 1947Coefficents calculated by NIST from author's data.

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
9.2PEGan, Livett, et al., 1984LBLHLM
9.65PIMcLoughlin and Traeger, 1979LLK
9.80PEGan, Livett, et al., 1984Vertical value; LBLHLM

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H5O+9.65BrPIMcLoughlin and Traeger, 1979LLK
C7H5O+10.0BrEIElder, Beynon, et al., 1976LLK
C7H5O+10.0BrEIMajer and Patrick, 1963RDSH

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Carson, Pritchard, et al., 1950
Carson, A.S.; Pritchard, H.O.; Skinner, H.A., The heats of hydrolysis of the benzoyl halides, J. Chem. Soc., 1950, 656-659. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M., Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Gan, Livett, et al., 1984
Gan, T.H.; Livett, M.K.; Peel, J.B., Comparative He I and He II photoelectron spectroscopic studies of the benzoyl halides, J. Chem. Soc. Faraday Trans. 2, 1984, 80, 1281. [all data]

McLoughlin and Traeger, 1979
McLoughlin, R.G.; Traeger, J.C., A photoionization study of some benzoyl compounds - thermochemistry of [C7H5O]+ formation, Org. Mass Spectrom., 1979, 14, 434. [all data]

Elder, Beynon, et al., 1976
Elder, J.F.; Beynon, J.H.; Cooks, R.G., The benzoyl ion. Thermochemistry and kinetic energy release, Org. Mass Spectrom., 1976, 11, 415. [all data]

Majer and Patrick, 1963
Majer, J.R.; Patrick, C.R., Appearance potentials of the benzoyl radical-ion, J. Chem. Soc. Faraday Trans., 1963, 59, 1274. [all data]


Notes

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